<template>
  <view class="login-container">
    <!-- 用户图标 -->
   <uni-icons type="contact-filled" size="100"></uni-icons>
   <!-- 登录按钮 -->
   <button type="primary" class="btn-login" open-type="getUserInfo" @getuserinfo="getUserInfo">一键登录</button>
   <text>登录后尽享更多权益</text>
   
  </view>
</template>

<script>
  import {mapMutations,mapState} from 'vuex'
  export default {
    name:"my-login",
    data() {
      return {
        
      };
    },
    computed:{
      ...mapState('m_user',['redirectInfo'])
    },
    methods:{
      ...mapMutations('m_user',['updateUserInfo','updateToken','updateRedirectInfo']),
      getUserInfo(e){
        if (e.detail.errMsg === 'getUserInfo:fail auth deny') return uni.showMsg('您取消了登录授权！')
        console.log(e);
        this.updateUserInfo(e.detail.userInfo)
        this.getToken(e.detail)
      },
      async getToken(info){
        const [err,res] =await uni.login().catch(err =>err)
        console.log(res);
        if(err || res.errMsg !=='login:ok') return uni.showMsg('登录失败',1500)
        const query ={
          code: res.code,
          encryptedData:info.encryptedData,
          iv:info.iv,
          rawData:info.rawData,
          signature:info.signature
        }
        const res2 = await uni.$http.post('/users/wxlogin',query)
        console.log(res2);
        const result = 'Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1aWQiOjEyLCJpYXQiOjE1MjU0MDIyMjMsImV4cCI6MTUyNTQ4ODYyM30.g-4GtEQNPwT_Xs0Pq7Lrco_9DfHQQsBiOKZerkO-O-o'
        this.updateToken(result)
        this.navigateBack()
      },
      // 返回之前的页面
      navigateBack(){
        if(this.redirectInfo && this.redirectInfo.openType === 'switchTab'){
          uni.switchTab({
            url: this.redirectInfo.url,
            success: () => {
              this.updateRedirectInfo(null)
            }
          })
        }
      }
    }
  }
</script>

<style lang="scss">
.login-container {
  height: 750rpx;
  background-color: #F8F8F8;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
  &::after{
    content: '';
    display: block;
    width: 100%;
    height: 40px;
    background-color: white;
    border-radius: 100%;
    position: absolute;
    bottom: 0;
    left: 0;
    transform: translateY(50%);
  }
  .btn-login {
    width: 90%;
    border-radius: 100px;
    margin: 15px 0;
    background-color: #C00000;
  }
  text{
    font-size: 12px;
    color: gray;
  }
}
</style>